CA59909A - Barre a mine - Google Patents

Barre a mine

Info

Publication number
CA59909A
CA59909A CA000059909A CA59909DA CA59909A CA 59909 A CA59909 A CA 59909A CA 000059909 A CA000059909 A CA 000059909A CA 59909D A CA59909D A CA 59909DA CA 59909 A CA59909 A CA 59909A
Authority
CA
Canada
Prior art keywords
rock drill
drill
rock
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000059909A
Other languages
English (en)
Inventor
Joseph W. De Camp
Lida M. Shaw
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA59909A publication Critical patent/CA59909A/fr
Expired legal-status Critical Current

Links

CA000059909A 1898-04-09 1898-04-09 Barre a mine Expired CA59909A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA59909T 1898-04-09

Publications (1)

Publication Number Publication Date
CA59909A true CA59909A (fr) 1898-05-06

Family

ID=45176447

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000059909A Expired CA59909A (fr) 1898-04-09 1898-04-09 Barre a mine

Country Status (1)

Country Link
CA (1) CA59909A (fr)

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